/
UnitDrawer.cpp
2070 lines (1558 loc) · 58.3 KB
/
UnitDrawer.cpp
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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#include "UnitDrawer.h"
#include "UnitDrawerState.hpp"
#include "Game/Camera.h"
#include "Game/CameraHandler.h"
#include "Game/GameHelper.h"
#include "Game/GameSetup.h"
#include "Game/GlobalUnsynced.h"
#include "Game/Players/Player.h"
#include "Game/UI/MiniMap.h"
#include "Map/BaseGroundDrawer.h"
#include "Map/Ground.h"
#include "Map/MapInfo.h"
#include "Map/ReadMap.h"
#include "Rendering/Env/ISky.h"
#include "Rendering/Env/IWater.h"
#include "Rendering/Env/CubeMapHandler.h"
#include "Rendering/FarTextureHandler.h"
#include "Rendering/GL/glExtra.h"
#include "Rendering/GL/VertexArray.h"
#include "Rendering/Env/IGroundDecalDrawer.h"
#include "Rendering/Colors.h"
#include "Rendering/IconHandler.h"
#include "Rendering/LuaObjectDrawer.h"
#include "Rendering/ShadowHandler.h"
#include "Rendering/Shaders/Shader.h"
#include "Rendering/Textures/Bitmap.h"
#include "Rendering/Textures/3DOTextureHandler.h"
#include "Rendering/Textures/S3OTextureHandler.h"
#include "Sim/Features/Feature.h"
#include "Sim/Misc/LosHandler.h"
#include "Sim/Misc/TeamHandler.h"
#include "Sim/Misc/SimObjectMemPool.h"
#include "Sim/Projectiles/ExplosionGenerator.h"
#include "Sim/Units/BuildInfo.h"
#include "Sim/Units/UnitDef.h"
#include "Sim/Units/UnitDefHandler.h"
#include "Sim/Units/Unit.h"
#include "Sim/Units/UnitHandler.h"
#include "System/Config/ConfigHandler.h"
#include "System/FileSystem/FileHandler.h"
#include "System/ContainerUtil.h"
#include "System/EventHandler.h"
#include "System/myMath.h"
#define UNIT_SHADOW_ALPHA_MASKING
CONFIG(int, UnitLodDist).defaultValue(1000).headlessValue(0);
CONFIG(int, UnitIconDist).defaultValue(200).headlessValue(0);
CONFIG(float, UnitTransparency).defaultValue(0.7f);
CONFIG(int, MaxDynamicModelLights)
.defaultValue(1)
.minimumValue(0);
CONFIG(bool, AdvUnitShading).defaultValue(true).headlessValue(false).safemodeValue(false).description("Determines whether specular highlights and other lighting effects are rendered for units.");
CUnitDrawer* unitDrawer = nullptr;
// can not be a CUnitDrawer; destruction in global
// scope might happen after ~EventHandler which is
// referenced by ~EventClient
static uint8_t unitDrawerMem[sizeof(CUnitDrawer)];
static FixedDynMemPool<sizeof(GhostSolidObject), MAX_UNITS / 1000, MAX_UNITS / 32> ghostMemPool;
static void LoadUnitExplosionGenerators() {
using F = decltype(&UnitDef::AddModelExpGenID);
using T = decltype(UnitDef::modelCEGTags);
using S = T::value_type;
const auto LoadGenerators = [](UnitDef* ud, const F addExplGenID, const T& explGenTags, const S& explGenPrefix) {
for (const S& explGenTag: explGenTags) {
if (explGenTag.empty())
break;
// build a contiguous range of valid ID's
(ud->*addExplGenID)(explGenHandler.LoadGeneratorID(explGenPrefix + explGenTag));
}
};
for (unsigned int i = 0, n = unitDefHandler->NumUnitDefs(); i < n; i++) {
UnitDef* ud = const_cast<UnitDef*>(unitDefHandler->GetUnitDefByID(i + 1));
// piece- and crash-generators can only be custom so the prefix is not required to be given game-side
LoadGenerators(ud, &UnitDef::AddModelExpGenID, ud->modelCEGTags, "");
LoadGenerators(ud, &UnitDef::AddPieceExpGenID, ud->pieceCEGTags, CEG_PREFIX_STRING);
LoadGenerators(ud, &UnitDef::AddCrashExpGenID, ud->crashCEGTags, CEG_PREFIX_STRING);
}
}
static const void BindOpaqueTex(const CS3OTextureHandler::S3OTexMat* textureMat) {
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, textureMat->tex2);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textureMat->tex1);
}
static const void BindOpaqueTexAtlas(const CS3OTextureHandler::S3OTexMat*) {
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, textureHandler3DO.GetAtlasTex2ID());
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textureHandler3DO.GetAtlasTex1ID());
}
static const void BindOpaqueTexDummy(const CS3OTextureHandler::S3OTexMat*) {}
static const void BindShadowTex(const CS3OTextureHandler::S3OTexMat* textureMat) {
glActiveTexture(GL_TEXTURE0);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textureMat->tex2);
}
static const void KillShadowTex(const CS3OTextureHandler::S3OTexMat*) {
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
}
static const void BindShadowTexAtlas(const CS3OTextureHandler::S3OTexMat*) {
glActiveTexture(GL_TEXTURE0);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, textureHandler3DO.GetAtlasTex2ID());
}
static const void KillShadowTexAtlas(const CS3OTextureHandler::S3OTexMat*) {
glBindTexture(GL_TEXTURE_2D, 0);
glDisable(GL_TEXTURE_2D);
glActiveTexture(GL_TEXTURE0);
}
static const void PushRenderState3DO() {
BindOpaqueTexAtlas(nullptr);
glPushAttrib(GL_POLYGON_BIT);
glDisable(GL_CULL_FACE);
}
static const void PushRenderStateS3O() {
if (globalRendering->supportRestartPrimitive) {
glPrimitiveRestartIndexNV(-1U);
}
}
static const void PushRenderStateASS() { /* no-op */ }
static const void PopRenderState3DO() { glPopAttrib(); }
static const void PopRenderStateS3O() { /* no-op */ }
static const void PopRenderStateASS() { /* no-op */ }
static const void SetTeamColorDummy(const IUnitDrawerState* state, int team, const float2 alpha) {}
static const void SetTeamColorValid(const IUnitDrawerState* state, int team, const float2 alpha) { state->SetTeamColor(team, alpha); }
// typedef std::function<void(int)> BindTexFunc;
// typedef std::function<void(const CS3OTextureHandler::S3OTexMat*)> BindTexFunc;
// typedef std::function<void()> KillTexFunc;
typedef const void (*BindTexFunc)(const CS3OTextureHandler::S3OTexMat*);
typedef const void (*BindTexFunc)(const CS3OTextureHandler::S3OTexMat*);
typedef const void (*KillTexFunc)(const CS3OTextureHandler::S3OTexMat*);
typedef const void (*PushRenderStateFunc)();
typedef const void (*PopRenderStateFunc)();
typedef const void (*SetTeamColorFunc)(const IUnitDrawerState*, int team, const float2 alpha);
static const BindTexFunc opaqueTexBindFuncs[MODELTYPE_OTHER] = {
BindOpaqueTexDummy, // 3DO (no-op, done by PushRenderState3DO)
BindOpaqueTex, // S3O
BindOpaqueTex, // ASS
};
static const BindTexFunc shadowTexBindFuncs[MODELTYPE_OTHER] = {
BindShadowTexAtlas, // 3DO
BindShadowTex, // S3O
BindShadowTex, // ASS
};
static const BindTexFunc* bindModelTexFuncs[] = {
&opaqueTexBindFuncs[0], // opaque+alpha
&shadowTexBindFuncs[0], // shadow
};
static const KillTexFunc shadowTexKillFuncs[MODELTYPE_OTHER] = {
KillShadowTexAtlas, // 3DO
KillShadowTex, // S3O
KillShadowTex, // ASS
};
static const PushRenderStateFunc renderStatePushFuncs[MODELTYPE_OTHER] = {
PushRenderState3DO,
PushRenderStateS3O,
PushRenderStateASS,
};
static const PopRenderStateFunc renderStatePopFuncs[MODELTYPE_OTHER] = {
PopRenderState3DO,
PopRenderStateS3O,
PopRenderStateASS,
};
static const SetTeamColorFunc setTeamColorFuncs[] = {
SetTeamColorDummy,
SetTeamColorValid,
};
// low-level (batch and solo)
// note: also called during SP
void CUnitDrawer::BindModelTypeTexture(int mdlType, int texType) {
const auto texFun = bindModelTexFuncs[shadowHandler.InShadowPass()][mdlType];
const auto texMat = textureHandlerS3O.GetTexture(texType);
texFun(texMat);
}
void CUnitDrawer::PushModelRenderState(int mdlType) { renderStatePushFuncs[mdlType](); }
void CUnitDrawer::PopModelRenderState (int mdlType) { renderStatePopFuncs [mdlType](); }
// mid-level (solo only)
void CUnitDrawer::PushModelRenderState(const S3DModel* m) {
PushModelRenderState(m->type);
BindModelTypeTexture(m->type, m->textureType);
}
void CUnitDrawer::PopModelRenderState(const S3DModel* m) {
PopModelRenderState(m->type);
}
// high-level (solo only)
void CUnitDrawer::PushModelRenderState(const CSolidObject* o) { PushModelRenderState(o->model); }
void CUnitDrawer::PopModelRenderState(const CSolidObject* o) { PopModelRenderState(o->model); }
void CUnitDrawer::InitStatic() {
if (unitDrawer == nullptr)
unitDrawer = new (unitDrawerMem) CUnitDrawer();
unitDrawer->Init();
}
void CUnitDrawer::KillStatic(bool reload) {
unitDrawer->Kill();
if (reload)
return;
spring::SafeDestruct(unitDrawer);
memset(unitDrawerMem, 0, sizeof(unitDrawerMem));
}
void CUnitDrawer::Init() {
eventHandler.AddClient(this);
LuaObjectDrawer::ReadLODScales(LUAOBJ_UNIT);
SetUnitDrawDist((float)configHandler->GetInt("UnitLodDist"));
SetUnitIconDist((float)configHandler->GetInt("UnitIconDist"));
alphaValues.x = std::max(0.11f, std::min(1.0f, 1.0f - configHandler->GetFloat("UnitTransparency")));
alphaValues.y = std::min(1.0f, alphaValues.x + 0.1f);
alphaValues.z = std::min(1.0f, alphaValues.x + 0.2f);
alphaValues.w = std::min(1.0f, alphaValues.x + 0.4f);
LoadUnitExplosionGenerators();
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
opaqueModelRenderers[modelType].Init();
alphaModelRenderers[modelType].Init();
}
unitDefImages.clear();
unitDefImages.resize(unitDefHandler->NumUnitDefs() + 1);
deadGhostBuildings.resize(teamHandler.ActiveAllyTeams());
liveGhostBuildings.resize(teamHandler.ActiveAllyTeams());
// LH must be initialized before drawer-state is initialized
lightHandler.Init(2U, configHandler->GetInt("MaxDynamicModelLights"));
unitDrawerStates.fill(nullptr);
unitDrawerStates[DRAWER_STATE_SSP] = IUnitDrawerState::GetInstance(globalRendering->haveARB, globalRendering->haveGLSL);
unitDrawerStates[DRAWER_STATE_FFP] = IUnitDrawerState::GetInstance( false, false);
drawModelFuncs[0] = &CUnitDrawer::DrawUnitModelBeingBuiltOpaque;
drawModelFuncs[1] = &CUnitDrawer::DrawUnitModelBeingBuiltShadow;
drawModelFuncs[2] = &CUnitDrawer::DrawUnitModel;
// shared with FeatureDrawer!
geomBuffer = LuaObjectDrawer::GetGeometryBuffer();
drawForward = true;
drawDeferred = (geomBuffer->Valid());
wireFrameMode = false;
// NOTE:
// advShading can NOT change at runtime if initially false***
// (see AdvModelShadingActionExecutor), so we will always use
// FFP renderer-state (in ::Draw) in that special case and it
// does not matter whether SSP renderer-state is initialized
// *** except for DrawAlphaUnits
advShading = (unitDrawerStates[DRAWER_STATE_SSP]->Init(this) && cubeMapHandler.Init());
// note: state must be pre-selected before the first drawn frame
// Sun*Changed can be called first, e.g. if DynamicSun is enabled
unitDrawerStates[DRAWER_STATE_SEL] = const_cast<IUnitDrawerState*>(GetWantedDrawerState(false));
}
void CUnitDrawer::Kill()
{
eventHandler.RemoveClient(this);
autoLinkedEvents.clear();
unitDrawerStates[DRAWER_STATE_SSP]->Kill(); IUnitDrawerState::FreeInstance(unitDrawerStates[DRAWER_STATE_SSP]);
unitDrawerStates[DRAWER_STATE_FFP]->Kill(); IUnitDrawerState::FreeInstance(unitDrawerStates[DRAWER_STATE_FFP]);
cubeMapHandler.Free();
for (CUnit* u: unsortedUnits) {
groundDecals->ForceRemoveSolidObject(u);
}
for (UnitDefImage& img: unitDefImages) {
img.Free();
}
for (int allyTeam = 0; allyTeam < deadGhostBuildings.size(); ++allyTeam) {
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
auto& lgb = liveGhostBuildings[allyTeam][modelType];
auto& dgb = deadGhostBuildings[allyTeam][modelType];
for (auto it = dgb.begin(); it != dgb.end(); ++it) {
GhostSolidObject* gso = *it;
if (gso->DecRef())
continue;
// <ghost> might be the gbOwner of a decal; groundDecals is deleted after us
groundDecals->GhostDestroyed(gso);
ghostMemPool.free(gso);
}
dgb.clear();
lgb.clear();
}
}
// reuse inner vectors when reloading
// deadGhostBuildings.clear();
// liveGhostBuildings.clear();
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
opaqueModelRenderers[modelType].Kill();
alphaModelRenderers[modelType].Kill();
}
unsortedUnits.clear();
unitsByIcon.clear();
geomBuffer = nullptr;
}
void CUnitDrawer::SetUnitDrawDist(float dist)
{
unitDrawDist = dist;
unitDrawDistSqr = dist * dist;
}
void CUnitDrawer::SetUnitIconDist(float dist)
{
unitIconDist = dist;
iconLength = 750.0f * unitIconDist * unitIconDist;
}
void CUnitDrawer::Update()
{
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
UpdateTempDrawUnits(tempOpaqueUnits[modelType]);
UpdateTempDrawUnits(tempAlphaUnits[modelType]);
}
{
iconUnits.clear();
for (CUnit* unit: unsortedUnits) {
UpdateUnitIconState(unit);
UpdateUnitDrawPos(unit);
}
}
if ((useDistToGroundForIcons = (camHandler->GetCurrentController()).GetUseDistToGroundForIcons())) {
const float3& camPos = camera->GetPos();
// use the height at the current camera position
//const float groundHeight = CGround::GetHeightAboveWater(camPos.x, camPos.z, false);
// use the middle between the highest and lowest position on the map as average
const float groundHeight = readMap->GetCurrAvgHeight();
const float overGround = camPos.y - groundHeight;
sqCamDistToGroundForIcons = overGround * overGround;
}
}
void CUnitDrawer::Draw(bool drawReflection, bool drawRefraction)
{
sky->SetupFog();
assert((CCameraHandler::GetActiveCamera())->GetCamType() != CCamera::CAMTYPE_SHADOW);
// first do the deferred pass; conditional because
// most of the water renderers use their own FBO's
if (drawDeferred && !drawReflection && !drawRefraction)
LuaObjectDrawer::DrawDeferredPass(LUAOBJ_UNIT);
// now do the regular forward pass
if (drawForward)
DrawOpaquePass(false, drawReflection, drawRefraction);
farTextureHandler->Draw();
glDisable(GL_FOG);
glDisable(GL_ALPHA_TEST);
glDisable(GL_TEXTURE_2D);
}
void CUnitDrawer::DrawOpaquePass(bool deferredPass, bool drawReflection, bool drawRefraction)
{
SetupOpaqueDrawing(deferredPass);
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
PushModelRenderState(modelType);
DrawOpaqueUnits(modelType, drawReflection, drawRefraction);
DrawOpaqueAIUnits(modelType);
PopModelRenderState(modelType);
}
ResetOpaqueDrawing(deferredPass);
// draw all custom'ed units that were bypassed in the loop above
LuaObjectDrawer::SetDrawPassGlobalLODFactor(LUAOBJ_UNIT);
LuaObjectDrawer::DrawOpaqueMaterialObjects(LUAOBJ_UNIT, deferredPass);
}
void CUnitDrawer::DrawOpaqueUnits(int modelType, bool drawReflection, bool drawRefraction)
{
const auto& mdlRenderer = opaqueModelRenderers[modelType];
// const auto& unitBinKeys = mdlRenderer.GetObjectBinKeys();
for (unsigned int i = 0, n = mdlRenderer.GetNumObjectBins(); i < n; i++) {
BindModelTypeTexture(modelType, mdlRenderer.GetObjectBinKey(i));
for (CUnit* unit: mdlRenderer.GetObjectBin(mdlRenderer.GetObjectBinKey(i))) {
DrawOpaqueUnit(unit, drawReflection, drawRefraction);
}
}
}
inline void CUnitDrawer::DrawOpaqueUnit(CUnit* unit, bool drawReflection, bool drawRefraction)
{
if (!CanDrawOpaqueUnit(unit, drawReflection, drawRefraction))
return;
if ((unit->pos).SqDistance(camera->GetPos()) > (unit->sqRadius * unitDrawDistSqr)) {
farTextureHandler->Queue(unit);
return;
}
if (LuaObjectDrawer::AddOpaqueMaterialObject(unit, LUAOBJ_UNIT))
return;
// draw the unit with the default (non-Lua) material
SetTeamColour(unit->team);
DrawUnitTrans(unit, 0, 0, false, false);
}
void CUnitDrawer::DrawOpaqueAIUnits(int modelType)
{
const std::vector<TempDrawUnit>& tmpOpaqueUnits = tempOpaqueUnits[modelType];
// NOTE: not type-sorted
for (const TempDrawUnit& unit: tmpOpaqueUnits) {
if (!camera->InView(unit.pos, 100.0f))
continue;
DrawOpaqueAIUnit(unit);
}
}
void CUnitDrawer::DrawOpaqueAIUnit(const TempDrawUnit& unit)
{
glPushMatrix();
glTranslatef3(unit.pos);
glRotatef(unit.rotation * math::RAD_TO_DEG, 0.0f, 1.0f, 0.0f);
const UnitDef* def = unit.unitDef;
const S3DModel* mdl = def->model;
assert(mdl != nullptr);
BindModelTypeTexture(mdl->type, mdl->textureType);
SetTeamColour(unit.team);
mdl->DrawStatic();
glPopMatrix();
}
void CUnitDrawer::DrawUnitIcons()
{
// draw unit icons and radar blips
glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_CURRENT_BIT);
glEnable(GL_TEXTURE_2D);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.05f);
// A2C effectiveness is limited below four samples
if (globalRendering->msaaLevel >= 4)
glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE_ARB);
for (CUnit* u: iconUnits) {
const unsigned short closBits = (u->losStatus[gu->myAllyTeam] & (LOS_INLOS ));
const unsigned short plosBits = (u->losStatus[gu->myAllyTeam] & (LOS_PREVLOS | LOS_CONTRADAR));
DrawIcon(u, !gu->spectatingFullView && closBits == 0 && plosBits != (LOS_PREVLOS | LOS_CONTRADAR));
}
glPopAttrib();
}
/******************************************************************************/
/******************************************************************************/
bool CUnitDrawer::CanDrawOpaqueUnit(
const CUnit* unit,
bool drawReflection,
bool drawRefraction
) const {
if (unit == (drawReflection? nullptr: (gu->GetMyPlayer())->fpsController.GetControllee()))
return false;
if (unit->noDraw)
return false;
if (unit->IsInVoid())
return false;
// unit will be drawn as icon instead
if (unit->isIcon)
return false;
if (!(unit->losStatus[gu->myAllyTeam] & LOS_INLOS) && !gu->spectatingFullView)
return false;
// either PLAYER or UWREFL
const CCamera* cam = CCameraHandler::GetActiveCamera();
if (drawRefraction && !unit->IsInWater())
return false;
if (drawReflection && !ObjectVisibleReflection(unit->drawMidPos, cam->GetPos(), unit->GetDrawRadius()))
return false;
return (cam->InView(unit->drawMidPos, unit->GetDrawRadius()));
}
bool CUnitDrawer::CanDrawOpaqueUnitShadow(const CUnit* unit) const
{
if (unit->noDraw)
return false;
if (unit->IsInVoid())
return false;
// no shadow if unit is already an icon from player's POV
if (unit->isIcon)
return false;
if (unit->isCloaked)
return false;
const CCamera* cam = CCameraHandler::GetActiveCamera();
const bool unitInLOS = ((unit->losStatus[gu->myAllyTeam] & LOS_INLOS) || gu->spectatingFullView);
const bool unitInView = cam->InView(unit->drawMidPos, unit->GetDrawRadius());
return (unitInLOS && unitInView);
}
void CUnitDrawer::DrawOpaqueUnitShadow(CUnit* unit) {
if (!CanDrawOpaqueUnitShadow(unit))
return;
if (LuaObjectDrawer::AddShadowMaterialObject(unit, LUAOBJ_UNIT))
return;
DrawUnitTrans(unit, 0, 0, false, false);
}
void CUnitDrawer::DrawOpaqueUnitsShadow(int modelType) {
const auto& mdlRenderer = opaqueModelRenderers[modelType];
// const auto& unitBinKeys = mdlRenderer.GetObjectBinKeys();
for (unsigned int i = 0, n = mdlRenderer.GetNumObjectBins(); i < n; i++) {
// only need to bind the atlas once for 3DO's, but KISS
assert((modelType != MODELTYPE_3DO) || (mdlRenderer.GetObjectBinKey(i) == 0));
shadowTexBindFuncs[modelType](textureHandlerS3O.GetTexture(mdlRenderer.GetObjectBinKey(i)));
for (CUnit* unit: mdlRenderer.GetObjectBin(mdlRenderer.GetObjectBinKey(i))) {
DrawOpaqueUnitShadow(unit);
}
shadowTexKillFuncs[modelType](nullptr);
}
}
void CUnitDrawer::DrawShadowPass()
{
glColor3f(1.0f, 1.0f, 1.0f);
glPolygonOffset(1.0f, 1.0f);
glEnable(GL_POLYGON_OFFSET_FILL);
#ifdef UNIT_SHADOW_ALPHA_MASKING
glAlphaFunc(GL_GREATER, 0.5f);
glEnable(GL_ALPHA_TEST);
#endif
Shader::IProgramObject* po = shadowHandler.GetShadowGenProg(CShadowHandler::SHADOWGEN_PROGRAM_MODEL);
po->Enable();
{
assert((CCameraHandler::GetActiveCamera())->GetCamType() == CCamera::CAMTYPE_SHADOW);
// 3DO's have clockwise-wound faces and
// (usually) holes, so disable backface
// culling for them
glDisable(GL_CULL_FACE);
DrawOpaqueUnitsShadow(MODELTYPE_3DO);
glEnable(GL_CULL_FACE);
for (int modelType = MODELTYPE_S3O; modelType < MODELTYPE_OTHER; modelType++) {
// note: just use DrawOpaqueUnits()? would
// save texture switches needed anyway for
// UNIT_SHADOW_ALPHA_MASKING
DrawOpaqueUnitsShadow(modelType);
}
}
po->Disable();
#ifdef UNIT_SHADOW_ALPHA_MASKING
glDisable(GL_ALPHA_TEST);
#endif
glDisable(GL_POLYGON_OFFSET_FILL);
LuaObjectDrawer::SetDrawPassGlobalLODFactor(LUAOBJ_UNIT);
LuaObjectDrawer::DrawShadowMaterialObjects(LUAOBJ_UNIT, false);
}
void CUnitDrawer::DrawIcon(CUnit* unit, bool useDefaultIcon)
{
// iconUnits should not never contain void-space units, see UpdateUnitIconState
assert(!unit->IsInVoid());
// If the icon is to be drawn as a radar blip, we want to get the default icon.
const icon::CIconData* iconData = nullptr;
if (useDefaultIcon) {
iconData = icon::iconHandler->GetDefaultIconData();
} else {
iconData = unit->unitDef->iconType.GetIconData();
}
// drawMidPos is auto-calculated now; can wobble on its own as pieces move
float3 pos = (!gu->spectatingFullView) ?
unit->GetObjDrawErrorPos(gu->myAllyTeam) :
unit->GetObjDrawMidPos();
// make sure icon is above ground (needed before we calculate scale below)
const float h = CGround::GetHeightReal(pos.x, pos.z, false);
pos.y = std::max(pos.y, h);
// Calculate the icon size. It scales with:
// * The square root of the camera distance.
// * The mod defined 'iconSize' (which acts a multiplier).
// * The unit radius, depending on whether the mod defined 'radiusadjust' is true or false.
const float dist = std::min(8000.0f, fastmath::sqrt_builtin(camera->GetPos().SqDistance(pos)));
const float iconScale = 0.4f * fastmath::sqrt_builtin(dist); // makes far icons bigger
float scale = iconData->GetSize() * iconScale;
if (iconData->GetRadiusAdjust() && !useDefaultIcon)
scale *= (unit->radius / iconData->GetRadiusScale());
// make sure icon is not partly under ground
pos.y = std::max(pos.y, h + (unit->iconRadius = scale));
// use white for selected units
const uint8_t* colors[] = {teamHandler.Team(unit->team)->color, color4::white};
const uint8_t* color = colors[unit->isSelected];
glColor3ubv(color);
// calculate the vertices
const float3 dy = camera->GetUp() * scale;
const float3 dx = camera->GetRight() * scale;
const float3 vn = pos - dx;
const float3 vp = pos + dx;
const float3 vnn = vn - dy;
const float3 vpn = vp - dy;
const float3 vnp = vn + dy;
const float3 vpp = vp + dy;
// Draw the icon.
iconData->Draw(vnn, vpn, vnp, vpp);
}
void CUnitDrawer::SetupAlphaDrawing(bool deferredPass)
{
glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_POLYGON_BIT);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE * wireFrameMode + GL_FILL * (1 - wireFrameMode));
unitDrawerStates[DRAWER_STATE_SEL] = const_cast<IUnitDrawerState*>(GetWantedDrawerState(true));
unitDrawerStates[DRAWER_STATE_SEL]->Enable(this, deferredPass && false, true);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.1f);
glDepthMask(GL_FALSE);
}
void CUnitDrawer::ResetAlphaDrawing(bool deferredPass)
{
unitDrawerStates[DRAWER_STATE_SEL]->Disable(this, deferredPass && false);
glPopAttrib();
}
void CUnitDrawer::DrawAlphaPass()
{
{
SetupAlphaDrawing(false);
if (UseAdvShading())
glDisable(GL_ALPHA_TEST);
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
PushModelRenderState(modelType);
DrawAlphaUnits(modelType);
DrawAlphaAIUnits(modelType);
PopModelRenderState(modelType);
}
if (UseAdvShading())
glEnable(GL_ALPHA_TEST);
ResetAlphaDrawing(false);
}
LuaObjectDrawer::SetDrawPassGlobalLODFactor(LUAOBJ_UNIT);
LuaObjectDrawer::DrawAlphaMaterialObjects(LUAOBJ_UNIT, false);
}
void CUnitDrawer::DrawAlphaUnits(int modelType)
{
{
const auto& mdlRenderer = alphaModelRenderers[modelType];
// const auto& unitBinKeys = mdlRenderer.GetObjectBinKeys();
for (unsigned int i = 0, n = mdlRenderer.GetNumObjectBins(); i < n; i++) {
BindModelTypeTexture(modelType, mdlRenderer.GetObjectBinKey(i));
for (CUnit* unit: mdlRenderer.GetObjectBin(mdlRenderer.GetObjectBinKey(i))) {
DrawAlphaUnit(unit, modelType, false);
}
}
}
// living and dead ghosted buildings
if (!gu->spectatingFullView)
DrawGhostedBuildings(modelType);
}
inline void CUnitDrawer::DrawAlphaUnit(CUnit* unit, int modelType, bool drawGhostBuildingsPass) {
if (!camera->InView(unit->drawMidPos, unit->GetDrawRadius()))
return;
if (LuaObjectDrawer::AddAlphaMaterialObject(unit, LUAOBJ_UNIT))
return;
const unsigned short losStatus = unit->losStatus[gu->myAllyTeam];
if (drawGhostBuildingsPass) {
// check for decoy models
const UnitDef* decoyDef = unit->unitDef->decoyDef;
const S3DModel* model = nullptr;
if (decoyDef == nullptr) {
model = unit->model;
} else {
model = decoyDef->LoadModel();
}
// FIXME: needs a second pass
if (model->type != modelType)
return;
// ghosted enemy units
if (losStatus & LOS_CONTRADAR) {
glColor4f(0.9f, 0.9f, 0.9f, alphaValues.z);
} else {
glColor4f(0.6f, 0.6f, 0.6f, alphaValues.y);
}
glPushMatrix();
glTranslatef3(unit->drawPos);
glRotatef(unit->buildFacing * 90.0f, 0, 1, 0);
// the units in liveGhostedBuildings[modelType] are not
// sorted by textureType, but we cannot merge them with
// alphaModelRenderers[modelType] either since they are
// not actually cloaked
BindModelTypeTexture(modelType, model->textureType);
SetTeamColour(unit->team, float2((losStatus & LOS_CONTRADAR)? alphaValues.z: alphaValues.y, 1.0f));
model->DrawStatic();
glPopMatrix();
glColor4f(1.0f, 1.0f, 1.0f, alphaValues.x);
return;
}
if (unit->isIcon)
return;
if ((losStatus & LOS_INLOS) || gu->spectatingFullView) {
SetTeamColour(unit->team, float2(alphaValues.x, 1.0f));
DrawUnitTrans(unit, 0, 0, false, false);
}
}
void CUnitDrawer::DrawAlphaAIUnits(int modelType)
{
std::vector<TempDrawUnit>& tmpAlphaUnits = tempAlphaUnits[modelType];
// NOTE: not type-sorted
for (const TempDrawUnit& unit: tmpAlphaUnits) {
if (!camera->InView(unit.pos, 100.0f))
continue;
DrawAlphaAIUnit(unit);
DrawAlphaAIUnitBorder(unit);
}
}
void CUnitDrawer::DrawAlphaAIUnit(const TempDrawUnit& unit)
{
glPushMatrix();
glTranslatef3(unit.pos);
glRotatef(unit.rotation * math::RAD_TO_DEG, 0.0f, 1.0f, 0.0f);
const UnitDef* def = unit.unitDef;
const S3DModel* mdl = def->model;
assert(mdl != nullptr);
BindModelTypeTexture(mdl->type, mdl->textureType);
SetTeamColour(unit.team, float2(alphaValues.x, 1.0f));
mdl->DrawStatic();
glPopMatrix();
}
void CUnitDrawer::DrawAlphaAIUnitBorder(const TempDrawUnit& unit)
{
if (!unit.drawBorder)
return;
SetTeamColour(unit.team, float2(alphaValues.w, 1.0f));
const BuildInfo buildInfo(unit.unitDef, unit.pos, unit.facing);
const float3 buildPos = CGameHelper::Pos2BuildPos(buildInfo, false);
const float xsize = buildInfo.GetXSize() * (SQUARE_SIZE >> 1);
const float zsize = buildInfo.GetZSize() * (SQUARE_SIZE >> 1);
glColor4f(0.2f, 1, 0.2f, alphaValues.w);
glDisable(GL_TEXTURE_2D);
glBegin(GL_LINE_STRIP);
glVertexf3(buildPos + float3( xsize, 1.0f, zsize));
glVertexf3(buildPos + float3(-xsize, 1.0f, zsize));
glVertexf3(buildPos + float3(-xsize, 1.0f, -zsize));
glVertexf3(buildPos + float3( xsize, 1.0f, -zsize));
glVertexf3(buildPos + float3( xsize, 1.0f, zsize));
glEnd();
glColor4f(1.0f, 1.0f, 1.0f, alphaValues.x);
glEnable(GL_TEXTURE_2D);
}
void CUnitDrawer::UpdateGhostedBuildings()
{
for (int allyTeam = 0; allyTeam < deadGhostBuildings.size(); ++allyTeam) {
for (int modelType = MODELTYPE_3DO; modelType < MODELTYPE_OTHER; modelType++) {
auto& dgb = deadGhostBuildings[allyTeam][modelType];
for (int i = 0; i < dgb.size(); /*no-op*/) {
GhostSolidObject* gso = dgb[i];
if (!losHandler->InLos(gso->pos, allyTeam)) {
++i;
continue;
}
// obtained LOS on the ghost of a dead building
if (!gso->DecRef()) {
groundDecals->GhostDestroyed(gso);
ghostMemPool.free(gso);
}
dgb[i] = dgb.back();
dgb.pop_back();
}
}
}
}
void CUnitDrawer::DrawGhostedBuildings(int modelType)
{
assert((unsigned) gu->myAllyTeam < deadGhostBuildings.size());
std::vector<GhostSolidObject*>& deadGhostedBuildings = deadGhostBuildings[gu->myAllyTeam][modelType];
std::vector<CUnit*>& liveGhostedBuildings = liveGhostBuildings[gu->myAllyTeam][modelType];
glColor4f(0.6f, 0.6f, 0.6f, alphaValues.y);
// buildings that died while ghosted
for (auto it = deadGhostedBuildings.begin(); it != deadGhostedBuildings.end(); ++it) {
if (camera->InView((*it)->pos, (*it)->model->GetDrawRadius())) {
glPushMatrix();
glTranslatef3((*it)->pos);
glRotatef((*it)->facing * 90.0f, 0, 1, 0);
BindModelTypeTexture(modelType, (*it)->model->textureType);
SetTeamColour((*it)->team, float2(alphaValues.y, 1.0f));
(*it)->model->DrawStatic();
glPopMatrix();
(*it)->lastDrawFrame = globalRendering->drawFrame;
}
}
for (CUnit* u: liveGhostedBuildings) {
DrawAlphaUnit(u, modelType, true);
}
}